The partial pressure of carbon dioxide (PCO2 ) in the blood of pulmonary capillaries is approximately:

A) 35 mm Hg. B) 70 mm Hg. C) 50 mm Hg. D) 45 mm Hg.


Answer: D

Anatomy & Physiology

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All the spinal nerves are ____ nerves

a. sensory b. motor c. mixed d. efferent

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Which of the following is not a graded potential?

a. end-plate potential b. action potential c. slow-wave potential d. receptor potential e. postsynaptic potential

Anatomy & Physiology

Blood viscosity stems mainly from electrolytes and monomers dissolved in plasma.

Answer the following statement true (T) or false (F)

Anatomy & Physiology

The basic functional units of the liver are the

A) hepatocytes. B) liver cells. C) lobules. D) portal areas. E) bile canaliculi.

Anatomy & Physiology